/*
 * Copyright 2009 The Apache Software Foundation
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.xmlmapper.elements;

import static org.mybatis.generator.internal.util.StringUtility.stringHasValue;

import java.util.List;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities;

/**
 * @author Jeff Butler
 */
public class ResultMapWithoutBLOBsElementGenerator extends AbstractXmlElementGenerator
{
    
    private boolean isSimple;
    
    public ResultMapWithoutBLOBsElementGenerator(boolean isSimple)
    {
        super();
        this.isSimple = isSimple;
    }
    
    @Override
    public void addElements(XmlElement parentElement)
    {
        XmlElement answer = new XmlElement("resultMap"); //$NON-NLS-1$
        answer.addAttribute(new Attribute("id", //$NON-NLS-1$
            introspectedTable.getBaseResultMapId()));
        
        String returnType;
        if (isSimple) {
            returnType = introspectedTable.getBaseRecordType();
        }
        else {
            if (introspectedTable.getRules().generateBaseRecordClass()) {
                returnType = introspectedTable.getBaseRecordType();
            }
            else {
                returnType = introspectedTable.getPrimaryKeyType();
            }
        }
        
        answer.addAttribute(new Attribute("type", //$NON-NLS-1$
            returnType));
        
        context.getCommentGenerator().addComment(answer);
        
        if (introspectedTable.isConstructorBased()) {
            addResultMapConstructorElements(answer);
        }
        else {
            addResultMapElements(answer);
        }
        
        if (context.getPlugins().sqlMapResultMapWithoutBLOBsElementGenerated(answer, introspectedTable)) {
            parentElement.addElement(answer);
        }
    }
    
    private void addResultMapElements(XmlElement answer)
    {
        for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns()) {
            XmlElement resultElement = new XmlElement("id"); //$NON-NLS-1$
            
            resultElement.addAttribute(new Attribute("column", //$NON-NLS-1$
                MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn)));
            resultElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            
            if (stringHasValue(introspectedColumn.getTypeHandler())) {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            
            answer.addElement(resultElement);
        }
        
        List<IntrospectedColumn> columns;
        if (isSimple) {
            columns = introspectedTable.getNonPrimaryKeyColumns();
        }
        else {
            columns = introspectedTable.getBaseColumns();
        }
        for (IntrospectedColumn introspectedColumn : columns) {
            XmlElement resultElement = new XmlElement("result"); //$NON-NLS-1$
            
            resultElement.addAttribute(new Attribute("column", //$NON-NLS-1$
                MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn)));
            resultElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            
            if (stringHasValue(introspectedColumn.getTypeHandler())) {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            
            answer.addElement(resultElement);
        }
    }
    
    private void addResultMapConstructorElements(XmlElement answer)
    {
        XmlElement constructor = new XmlElement("constructor"); //$NON-NLS-1$
        
        for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns()) {
            XmlElement resultElement = new XmlElement("idArg"); //$NON-NLS-1$
            
            resultElement.addAttribute(new Attribute("column", //$NON-NLS-1$
                MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn)));
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            resultElement.addAttribute(new Attribute("javaType", //$NON-NLS-1$
                introspectedColumn.getFullyQualifiedJavaType().getFullyQualifiedName()));
            
            if (stringHasValue(introspectedColumn.getTypeHandler())) {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            
            constructor.addElement(resultElement);
        }
        
        List<IntrospectedColumn> columns;
        if (isSimple) {
            columns = introspectedTable.getNonPrimaryKeyColumns();
        }
        else {
            columns = introspectedTable.getBaseColumns();
        }
        for (IntrospectedColumn introspectedColumn : columns) {
            XmlElement resultElement = new XmlElement("arg"); //$NON-NLS-1$
            
            resultElement.addAttribute(new Attribute("column", //$NON-NLS-1$
                MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn)));
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            resultElement.addAttribute(new Attribute("javaType", //$NON-NLS-1$
                introspectedColumn.getFullyQualifiedJavaType().getFullyQualifiedName()));
            
            if (stringHasValue(introspectedColumn.getTypeHandler())) {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            
            constructor.addElement(resultElement);
        }
        
        answer.addElement(constructor);
    }
}
